@article{10_4153_CMB_1993_041_x,
     author = {Kaczynski, Tomasz and Xia, Huaxing},
     title = {Hopf {Bifurcation} for {Implicit} {Neutral} {Functional} {Differential} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {286--295},
     year = {1993},
     volume = {36},
     number = {3},
     doi = {10.4153/CMB-1993-041-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1993-041-x/}
}